Ionic

Ionic is an open source mobile UI toolkit designed for developers who want to build high-quality, modern, cross-platform mobile applications using a single codebase. Supporting popular JavaScript frameworks like React, Angular, and Vue (as well as vanilla JS), Ionic offers pre-built UI components, robust CLI tools, live device preview, native device integration via Capacitor, and deeply customizable design systems with adaptive styling. It's ideal for web and mobile app developers seeking a performant, flexible, and unified app creation experience.